57409882 has 4 divisors (see below), whose sum is σ = 86114826. Its totient is φ = 28704940.

The previous prime is 57409843. The next prime is 57409897. The reversal of 57409882 is 28890475.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50851161 + 6558721 = 7131^2 + 2561^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14352469 + ... + 14352472.

Almost surely, 2^57409882 is an apocalyptic number.

57409882 is a deficient number, since it is larger than the sum of its proper divisors (28704944).

57409882 is a wasteful number, since it uses less digits than its factorization.

57409882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28704943.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 57409882 is about 7576.9309090159. The cubic root of 57409882 is about 385.7703852429.

The spelling of 57409882 in words is "fifty-seven million, four hundred nine thousand, eight hundred eighty-two".